Update log4j version

Author: segabriel

cluster/pom.xml

@@ -42,13 +42,11 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-slf4j-impl</artifactId>
-      <version>${log4j.version}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>${log4j.version}</version>
       <scope>test</scope>
     </dependency>
   </dependencies>

examples/pom.xml

@@ -29,12 +29,10 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-slf4j-impl</artifactId>
-      <version>${log4j.version}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>${log4j.version}</version>
     </dependency>
   </dependencies>
 

pom.xml

@@ -23,7 +23,7 @@
   <properties>
     <scalecube-commons.version>1.0.1</scalecube-commons.version>
     <slf4j.version>1.7.30</slf4j.version>
-    <log4j.version>2.8.2</log4j.version>
+    <log4j.version>2.13.2</log4j.version>
     <reactor.version>Dysprosium-SR7</reactor.version>
     <netty.version>4.1.48.Final</netty.version>
     <jackson.version>2.11.0</jackson.version>
@@ -90,6 +90,14 @@
         <version>${slf4j.version}</version>
       </dependency>
 
+      <dependency>
+        <groupId>org.apache.logging.log4j</groupId>
+        <artifactId>log4j-bom</artifactId>
+        <version>${log4j.version}</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+
       <!-- Reactor -->
       <dependency>
         <groupId>io.projectreactor</groupId>

transport-parent/pom.xml

@@ -32,13 +32,11 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-slf4j-impl</artifactId>
-      <version>${log4j.version}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>${log4j.version}</version>
       <scope>test</scope>
     </dependency>
   </dependencies>